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Equal thickness tinplate is a cold-rolled tinplate with the same amount of tin plating on both sides. Tin plated sheet is made by rolling low carbon steel, followed by acid washing, cold rolling, electrolytic cleaning annealing, leveling, edge cutting processing, and then cleaning, electroplating, softening, passivation treatment, and oil coating before cutting into finished tin plated sheet metal.
Electrolytic Tinplate is a composite material composed of a thin layer of metallic tin applied to the surface of high-quality cold-rolled low-carbon steel ETP (Electrolytic Tinplate). Low carbon steel coated with tin with a layer of steel-tin alloy and destined to be used mainly in the production of metal cans. Tin provides good weldability and electrical conductivity, as well as high corrosion resistance.
Tin Free Steel (TFS) is produced by applying electrolytic chromic acid treatment over steel sheets. This steel product was developed to meet economic requirements, and excels tinplate in paintability, paint adhesion, and economy. It is widely used for making beverage cans and 18-liter cans.
Double Reduced Cold Rolled Tinplate
Double reduced product is given a partial cold reduction to reach an intermediate gauge, then annealed and given another cold reduction to the final gauge prior to coating with tin. The resulting product is stiffer, harder, and stronger than single reduced, in some cases, allowing customers to utilize lighter gauge steel in their application.